Force and Motion - 3rd Grade

Front

What is the force on Earth that is always acting on objects (pulling them down)?

Back

Gravity is the force that pulls objects towards the Earth.

Front

What type of force occurs when two forces acting on an object are not equal and cause the object to move?

Back

An unbalanced force causes an object to move.

Front

What do we call the action of moving something towards yourself?

Back

Pull is the action of moving something towards yourself.

Front

True or False: An object will not come to rest (stop) or begin to move (start) unless a force acts on that object.

Back

True. A force is needed to change the motion of an object.

Front

What is the action of moving something away from yourself called?

Back

Push is the action of moving something away from yourself.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it is in contact with another surface.

Front

What happens to an object at rest when no forces act on it?

Back

An object at rest will stay at rest if no forces act on it.

Front

What happens to a moving object when no forces act on it?

Back

A moving object will continue to move at the same speed and in the same direction if no forces act on it.

Front

What is an example of a balanced force?

Back

Balanced forces occur when two equal forces act on an object in opposite directions, keeping it at rest.

Front

What is an example of an unbalanced force?

Back

An unbalanced force occurs when one force is stronger than another, causing the object to move.